Minamoto no Yoshitsune was a military commander of the Minamoto clan of Japan in the late Heian and early Kamakura periods. During the Genpei War, he led a series of battles which toppled the Ise-Heishi branch of the Taira clan, helping his half-brother Yoritomo consolidate power. He is considered one of the greatest and the most popular warriors of his era, and one of the most famous samurai fighters in the history of Japan. Yoshitsune perished after being betrayed by the son of a trusted ally.